Finding the Fourth Proportional to 605,470.18, 835,486.08 and 372,860.17
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Solution
The fourth proportional to 605,470.18, 835,486.08 and 372,860.17 is: 514,508.38
Step by Step Solution
- Step 1: Write the proportion equation
605,470.18 : 835,486.08 = 372,860.17 : x - Step 2: Convert to fraction form
605,470.18/835,486.08 = 372,860.17/x - Step 3: Cross multiply
605,470.18x = 835,486.08 × 372,860.17 - Step 4: Simplify right side
605,470.18x = 311,519,481,821.43 - Step 5: Solve for x
x = 311,519,481,821.43/605,470.18 - Step 6: Final answer
x = 514,508.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.